20000010 has 16 divisors (see below), whose sum is σ = 48000096. Its totient is φ = 5333328.

The previous prime is 20000003. The next prime is 20000023. The reversal of 20000010 is 1000002.

20000010 = 1998² + 1999² + ... + 2002².

It is a Harshad number since it is a multiple of its sum of digits (3).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333304 + ... + 333363.

It is an arithmetic number, because the mean of its divisors is an integer number (3000006).

Almost surely, 2^20000010 is an apocalyptic number.

20000010 is an abundant number, since it is smaller than the sum of its proper divisors (28000086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20000010 is a wasteful number, since it uses less digits than its factorization.

20000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666677.

The product of its (nonzero) digits is 2, while the sum is 3.

The square root of 20000010 is about 4472.1370730334. The cubic root of 20000010 is about 271.4418068998.

Adding to 20000010 its reverse (1000002), we get a palindrome (21000012).

The spelling of 20000010 in words is "twenty million, ten", and thus it is an aban number and an uban number.